<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <title>基于vue-router的案例</title>
    <style type="text/css">
      html,
      body,
      #app {
        margin: 0;
        padding: 0px;
        height: 100%;
      }
      .header {
        height: 50px;
        background-color: #545c64;
        line-height: 50px;
        text-align: center;
        font-size: 24px;
        color: #fff;
      }
      .footer {
        height: 40px;
        line-height: 40px;
        background-color: #888;
        position: absolute;
        bottom: 0;
        width: 100%;
        text-align: center;
        color: #fff;
      }
      .main {
        display: flex;
        position: absolute;
        top: 50px;
        bottom: 40px;
        width: 100%;
      }
      .content {
        flex: 1;
        text-align: center;
        height: 100%;
      }
      .left {
        flex: 0 0 20%;
        background-color: #545c64;
      }
      .left a {
        color: white;
        text-decoration: none;
      }
      .right {
        margin: 5px;
      }
      .btns {
        width: 100%;
        height: 35px;
        line-height: 35px;
        background-color: #f5f5f5;
        text-align: left;
        padding-left: 10px;
        box-sizing: border-box;
      }
      button {
        height: 30px;
        background-color: #ecf5ff;
        border: 1px solid lightskyblue;
        font-size: 12px;
        padding: 0 20px;
      }
      .main-content {
        margin-top: 10px;
      }
      ul {
        margin: 0;
        padding: 0;
        list-style: none;
      }
      ul li {
        height: 45px;
        line-height: 45px;
        background-color: #a0a0a0;
        color: #fff;
        cursor: pointer;
        border-bottom: 1px solid #fff;
      }

      table {
        width: 100%;
        border-collapse: collapse;
      }

      td,
      th {
        border: 1px solid #eee;
        line-height: 35px;
        font-size: 12px;
      }

      th {
        background-color: #ddd;
      }
    </style>
  </head>
  <body>
    <div id="app">
      <router-view></router-view>
    </div>

    <script src="./vue.js"></script>
    <script src="./vue-router.js"></script>
    <script>
      const userlist = [
        { id: 1, name: '张三', age: 10 },
        { id: 2, name: '李四', age: 20 },
        { id: 3, name: '王五', age: 30 },
        { id: 4, name: '赵六', age: 40 }
      ]

      const App = {
        template: `<div>
        <!-- 头部区域 -->
        <header class="header">传智后台管理系统</header>
        <!-- 中间主体区域 -->
        <div class="main">
            <!-- 左侧菜单栏 -->
            <div class="content left">
              <ul>
                <li><router-link to="/users">用户管理</router-link></li>
                <li><router-link to="/rights">权限管理</router-link></li>
                <li><router-link to="/goods">商品管理</router-link></li>
                <li><router-link to="/orders">订单管理</router-link></li>
                <li><router-link to="/settings">系统设置</router-link></li>
              </ul>
            </div>
            <!-- 右侧内容区域 -->
            <div class="content right">
              <div class="main-content">
                <router-view></router-view>
            </div>
          </div>
          <!-- 尾部区域 -->
          <footer class="footer">版权信息</footer>
        </div>
      </div>`
      }

      const Users = {
        data() {
          return {
            userlist: userlist
          }
        },
        template: `<div>
            <h3>用户管理区域</h3>
            <table>
              <thead>
                <tr><th>编号</th><th>姓名</th><th>年龄</th><th>操作</th></tr>
              </thead>
              <tbody>
                <tr v-for="item in userlist" :key="item.id">
                  <td>{{item.id}}</td>
                  <td>{{item.name}}</td>
                  <td>{{item.age}}</td>
                  <td>
                    <a href="javascript:;" @click="goDetail(item.id)">详情</a>
                  </td>
                </tr>
              </tbody>
            </table>
          </div>
        </div>`,
        methods: {
          goDetail(id) {
            this.$router.push(`/detail/${id}`)
          }
        }
      }

      const Rights = {
        template: `<h2>我是权限管理</h2>`
      }
      const Detail = {
        template: `<h2>
          我是详情--{{$route.params.id}}
          <button @click="goBack">后退</button>
        </h2>`,
        methods: {
          goBack() {
            this.$router.go(-1)
          }
        }
      }
      const Goods = {
        template: `<h2>我是商品管理</h2>`
      }
      const Orders = {
        template: `<h2>我是订单管理</h2>`
      }
      const Settings = {
        template: `<h2>我是设置</h2>`
      }

      const router = new VueRouter({
        routes: [
          { 
            path: '/', 
            redirect: '/users',
            component: App,
            children: [
              { path: '/users', component: Users},
              { path: '/detail/:id', component: Detail},
              { path: '/rights', component: Rights},
              { path: '/goods', component: Goods},
              { path: '/orders', component: Orders},
              { path: '/settings', component: Settings}
            ]
          }
        ]
      })

      const vm = new Vue({
        el: '#app',
        router: router
      })
    </script>       
  </body>
</html>
